The replacement set is .

Replace a in the equation with each value in the replacement set

and check whether the equation is true.

\ g \		\ True or false \
\ 4 \	\   \	\ False \
\ 5 \	\   \	\ True \
\ 6 \	\   \	\ True \
\ 7 \	\   \	\ True \
\ 8 \	\   \	\ True \

The solution set is .